A New Study of Over 10,000 People Revealed Regular Physical Activity Is Linked to Larger Healthier Brains Good News NetworkBeing a Weekend Warrior Linked to Lower Dementia Risk Medscape100+ Studies Show Just 30 Minutes of This Type of Exercise Gives You the Biggest Brainpower Boost Inc.Dementia: Physical activity of any intensity may help lower death risk Medical News TodayIntermittent weekend exercise has same brain benefits as regular workouts, study finds The Guardian